MIDI was established in 1974 and specialized in the renovation and replacement window business. With a clear vision, and ambition to improve, we drastically expanded our product line and marketing strategy. With new and innovative products, we gained contracts form private developers, home ownership housing scheme and the government sector. Despite of the cyclical rise and fall in the Hong Kong economy, we continue to expand our market locally and abroad. Throughout this period of evolution, we transformed from being a top window contractor into a renowned façade and curtain-wall specialist. We had been participating in most of the major developments in the region. We are proud of our long history, especially our most spectacular landmark project to date in Hong Kong. The Cyber Centre, unveiled in 2003.


We are committed in providing our client with the best services and products. In order to maintain our professionalism, we recruited talented managers and staffs from engineering and construction disciplines, from both local and overseas.
With our native working experience, we blended the construction practices, performance criteria and the world latest façade technologies to fulfill our local uniform code of practices.
Years of design works and installation experience enabled us to providing high caliber engineering, strategic project execution and precision manufacturing. Furthermore, our applicable installation and post project maintenance endure our products to many years to last.


Our quality assurance is based on the original design criteria, which will fulfill all the requirements of the Hong Kong Standard Building Code of Practice. In addition, product wear and tear, easy assembling, installation safety, and maintenance are key factors to the overall quality assurance system. Our...


We are primarily a façade specialist. Our scope of work including supply and installation of curtain wall, window wall, strip window and cladding systems. We also customize fabricated exterior and interior metal work, fabric canopies, louvers, decorative panels, glass balustrades, light boxes and wide-span...


Our design staffs are equipped with the latest software & hardware to assist their work execution and all communication and records were being done electronically with fully in compliances to ISO 9001.

Project web site updating information can be viewed and shared by authorized parties on live...


Approximately 60 minutes from Shenzen (across the border). The Factory is conveniently located for logistic transport, great access to seaports, airport and most project location.

Total covered floor area in excess of 12,000 square meters and employ a workforce of 200 workers trained managers and skillful technicians are assigned to manage the entire facility.

Digitally controlled equipments and high precision manufacturing machinery are imported from Germany.

Technicians and workers are constantly updating with their knowledge and prospective work duties. Highly discipline and work moral maintained our work force in check.

From cutting, assembly, onto glazing for unitized curtain wall panels, all products are 100% inspected under a controlled environment.

A production workshop is also maintained in Hong Kong to accommodate urgent orders and contract charge orders. It also showcases some of our products in actual mock-up sizes.